This problem persists in the released version of Ubuntu 19.04:
https://askubuntu.com/questions/1136203/drag-and-drop-functionality-no-longer-working-after-upgrade-to-19-04
This problem persists in the released version of Ubuntu 19.04:
https:/ /askubuntu. com/questions/ 1136203/ drag-and- drop-functional ity-no- longer- working- after-upgrade- to-19-04